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Please provide step to a physic question.
What is the maximum value of an ac voltage whose rms value is 100V?
A ball is released from the top of a cliff; it hits the ground 1.6 seconds later. Assuming the ball is a free falling object, how many meters is the cliff above the ground below
A river with the width of 800 m flows due south with a speed of 2.0 m/s. A man steers a motorboat across the river; How much time required to cross the river
Helium and lithium are two elements that differ only in one electron. Why do you think they exhibit such different chemical and physical behavior? Why is food irradiated with gamma rays from a Cobalt-60 source? Does the food become radioactive? Dis..
A 15.00 block is attached to a very light horizontal spring of force constant 450 and is resting on a smooth horizontal table. Suddenly it is struck by a 3 stone travelling horizontally at 8 to the right, whereupon the stone rebounds at 2.00 horizont..
The displacement vectors 38.5 cm at 15.0° and 23.0 cm at 62.0° both start from the origin and form two sides of a parallelogram. Find the area of the parallelogram
A uniform disk of radius R and mass M is mounted on an axle supported in fixed frictionless bearings. find the angular acceleration and tangential acceleration
question the activation energy for the reaction described byc4h8 g -----gt 2c2h4 g is 262 kjxmol-1at 600.0 k the rate
The graph shows how the force component F cos along the displacement varies with the magnitude s of the displacement. Find the work done by theforce. (Hint: Recall how the area of a triangle is related tothe triangle's base and height.)
A particular steel guitar string has mass per unit length of 1.93 g/m. If the tension on this string is 63.3 N, what is the wave speed on the string?
A photon whose energy is 2.6 Ã- 10âˆ'14 J is scattered off an electron at an angle of 56â. What is the wavelength of the scattered wave
A wheel free to rotate about its axis that is not frictionless is initially at rest. A constant external torque of +53 N·m is applied to the wheel for 22 s, giving the wheel an angular velocity of +610 rev/min. The external torque is then removed,..
Radio waves of frequency 1.1 x 10^10 Hz are emitted from a radar antenna travelling in an eastward direction. If the amplitude of the electric field component is 1.2 V/m, calculate the intensity of the wave
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